Constructing efficient organic solar cells by highly volatile solid additives with controlled phase morphology†

IF 4.2 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemical Communications Pub Date : 2024-10-21 Epub Date: 2024-10-23 DOI:10.1039/d4cc04675g
Yueheng Liu , Yetai Cheng , Shenbo Zhu , Zhengdong Wei , Chenyi Zhang , Shuyue Song , Xinyue Cui , Ya-Nan Chen , Andong Zhang , Yahui Liu , Hao Lu , Huawei Hu , Zhishan Bo
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Abstract

We synthesized two highly volatile and low-cost solid additives, PT and TFT. The inclusion of PT and TFT effectively influences the aggregation behavior of D18: L8-BO during the film-forming process. Consequently, PT and TFT-treated D18: L8-BO-based OSCs achieved power conversion efficiencies of 18.28% and 19.19%, respectively. This study provides a straightforward approach for achieving efficient photovoltaic performance of OSCs.

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利用具有可控相形态的高挥发性固体添加剂构建高效有机太阳能电池
优化有机太阳能电池(OSC)的结构是提高其效率和稳定性的关键。在本研究中,我们引入了高挥发性、低成本的固体添加剂,即 2-苯基噻吩(PT)和 2-(3,4,5-三氟苯基)噻吩(TFT),以调节有机太阳能电池的形貌优化并提高其效率。PT 和 TFT 的加入有效地影响了 D18:L8-BO 在成膜过程中的聚集行为,增加了受体分子的时间,促进了有序纤维网络结构的形成。因此,经过 PT 和 TFT 处理的基于 D18:L8-BO 的 OSCs 功率转换效率分别达到了 18.28% 和 19.19%。这项研究为实现 OCS 的结构优化和高效光伏性能提供了一种直接的方法。
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来源期刊
Chemical Communications
Chemical Communications 化学-化学综合
CiteScore
8.60
自引率
4.10%
发文量
2705
审稿时长
1.4 months
期刊介绍: ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.
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